Page 258 - Carbonate Platforms Facies, Sequences, and Evolution

Table 3.
indicated
conglomerate
marly limestone
Guayabas Canyon:
Novillo Canyon:
Arroyo Seco: 115m
SW of Ciudad Victoria)
Sierra de Diablo (McKee et
shales, silts, with Liassic plants
grey to red sandstones, bentonites
and polymictic breccia (Meiburg et
Huizachai-Nazas localities
Paila-1: igneous intrusive basement 236
San Pedro del Gallo; only top of Nazas Fm,
a!., 1987)
Tampico) has 674 m under Upper Jurassic; Co
and a skull of Triadon (at University of Chicago)
volcanics. 197 Ma (Rb/Sr) late Triassic (Halpern)
Peregrina Canyon: 60-100 m of coarse sandstone
Mesozoic
70m debris flow and channel deposits
Caopas-Rodeo (Grunidora) area, Sierra de San Julian:=
males 102 (85
Caballero Canyon: 270m, proximal fan and channel deposits
Villa Juarez, Durango, south of Torreon: Coahuila Nazas Fm =
carbonate
Ceballo-1: date of 168Ma (K/Ar) in Jurassic metasediments. Nazas?
Ma Permo-Triassic. Nazas or older
Mayran-1: volcanic-metamorphic complex. 199Ma (Rb/Sr) Nazas or older
important unconformity. La Joya is considered to be middle-upper Jurassic.
35m of fan and channel deposits
facies, Mexico
Guaxcama 1 well: 800 m of medium-grained reddish sandstone and red-green shale
Southern Chihuahua and Coahuila: no Huizachal at Las Delicias (on Coahuila block)
least 1000m thick (Gonzales-Garcia, 1984). El Gato-1 has 350m of basal conglomerate
Galeana: 200m, debris flows and channels, braided stream deposits; Pablillo area, 350m
Matehuala (west of city): lOOm of conglomeratic and non-conglomeratic fan and channel deposits
Fm., with transport direction from the northwest. Igneous sill of trachyandesite (Michalzik, 1986)
metamorphic rocks ; arietitids (Arnioceras and Vermiceras) of Sinemurian age reported by Erben (1956)
San Marcos Canyon: 2150m of conglomerate and sandstone, forming a fan against faulted side of graben
Huizachal Canyon: 18-50m, conglomeratic fan deposited into a lake, overlain by a second fan deposit
400 m of fan and channel deposits, both conglomerate and non-conglomeratic sandstone
La Joya Formation: the upper member of the Huizachal Fm is thinner and separated from La Boca Member by an
Ciudad Victoria area: Peregrina Canyon has Huizachal Fm (La Boca Member), 100-130 m fan and channel deposits.
50% volcanics, varying from 35 to 1100 m, not much
Formation. Channels and fans cut into dacite and rhyodacite volcanics. A source area from the north and northeast is
500m of conglomerate, shale, red-green silt of the La Joya
a!., 198 8): Welded rhyolite tuffs and ash-fall deposits. Pre-Cretaceous. Nazas Fm? Or older
Caballero and Novillo Canyons : 150m of green and grey, red mudstone, sandstone and conglomerate. Late Triassic plants
Sierra de Ia Ventura, Coahuila, Imlay, 1938: Miquihuana area: Huizachal Fm., 300m (undivided), overlain by Neocomian
Huizachal Canyon: Huizachal Fm (La Boca Member) 400+ m, non-conglomeratic channel and inter-fluve deposits (20 km
Sabinas Basin: wells with suspected Lias-Triassic sediments. Ines-1, Monclova 5, Pecten-1, conglomerate and sandstone at
Mesquita! area (Rio Blanco) (Aramberri area): up to 125m thick. Rhyolites and tuffs overlain by red lacustrine sediments
Agua Nueva 1 well: light to dark grey calcareous cemented sandstone, rare grey to reddish shales, sandy with some light
Catorce, San Luis Potosi: 200m of silt, shale, slate, reddish and grey-green colour, contains an igneous flow. Lies above
Tampico Area wells: (Imlay et a!., 1948 p. 1757, fig. 1), San Manuel 82; Chocoy-1; Altamira, 11; Chijel, 1012 ( 45 km west of
Galeana area (Rancho Alamar and San Pablo): sandstone and siltstones, distal fan channels and fan plains, 300m of La Joya
km SW of Tampico) has 182m of redbeds over 395m of dark
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